November 2006
Intermediate to advanced
1232 pages
34h 10m
English
book
Microsoft® SQL Server™ 2005 Administrator's Companion
by Edward Whalen, Marcilina Garcia, Burzin Patel, Stacia Misner, Victor Isakov
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Purpose of the Transaction Log
One very important component for performing proper backups and restores is the SQL Server transaction log. Every database has its own transaction log, which is implemented as one or more log files that reside on physical disk. The transaction log is used to record all transactions and the modifications that those transactions make to the database. The data in the log file is referred to as log records.
In general, the term transaction refers to a logical unit of work that can consist of queries and modifications to data. When referring to the transaction log, the term transaction refers specifically to data modifications only, for example, an UPDATE, INSERT, or DELETE operation, or a database schema change operation. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.